| 摘要 |
A processing structural member has a processing housing for supporting a processing portion, a locking lever, a cover and a holding portion. The locking lever changes the posture thereof between a locking posture of locking the position of the processing housing, and a releasing posture of releasing the locking. The cover is mounted on the processing housing to be pivotally movable between a covering position of covering the locking lever, and an opening position of exposing the locking lever to be visually recognizable. The holding portion is mounted on the processing housing to be pivotally movable with the cover. The cover has an interference member which is inoperable to interfere with the locking lever in the locking posture and is operable to interfere with the locking lever in the releasing posture in shifting the cover from the opening position to the covering position.
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